Guide-card for vertical-filing systems.



T. J. AMBERG. GUIDE CARD FOR VERTICAL FILING SYSTEMS.

' APPLIOATION FILED APR. 22, 1910.

963,350.- Patented July 5, 19'10.

fieotiore fiueiy 49 UNITED STATES PATENT UFFIQE.

THEODORE J. AMBERG, OF CHICAGO, ILLINOIS, ASSIGNOR TO AMBERG FILE AND INDEX COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

GUIIJE-CARD FOR VERTICAL-FILING SYSTEMS.

963,350. Specification of Letters Patent. Patentgd July 5, 1910,

Application filed April 22, 1910. Serial No. 557,087. To all whom it may concern:

tegral with said card Be it known that I, THEODORE J.

and projecting vertically above its upper AMBERG, t margin. In the card a citizen of the United States, and a resiillustrated, the tab is shown near one vertident of Chicago, in the county of Cook and cal margin of the card, but it will be under- State of Illinois, have invented certain new stood, of course, that said tab may be located and useful Improvements in Guide-Cards in any position along the upper margin of for Vertical-Filing Systems; and I do herethe card.

by declare that the following is a full, clear, O indicates a reinforcing plate made of and exact description thereof, reference besheet metal and of substantially the width ing had to the accompanying drawings, and of the tab. The upper margin of said plate to the letters of reference marked thereon, is bent down upon itself to for m a lependwhich form a part of this specification. ing flange c which embraces the upper mar- This invention relates to a guide card for gin of the face of the tab and is forcibly use in vertical filing systems and the object compressed against it. The plate extends to of the invention is to provide a reinforcea line substantially below the upoei 111211 111 ment for the index tab, which shall efficiently of the card and is secured near 1ts lower strengthen the tab and at the same time proedge to the body of the card by means of tect its upper margin without interfering rivets c 0 The strain on the tab is thus with the attachment of the usual index label carried down to the main body of the card by gumming or pasting it to the tab. and the tab thereby relieved.

he invention consists of the matters here- The attachment of the reinforcing plate inafter described and more particularly in the manner described leaves the front pointed out in the appended claim. face of the tab fully exposed for the attachhe tabs of guide cards of the kind dement of the label, and, at the same time,

scribed, as heretofore made, not only are efliciently strengthens the tab itself and its apt to be deformed or broken and in time connection with the card body and also proentirely detached from the cards, but the tects its upper margin.

wear due to the frequent fingering of the In attaching the reinforcing plate to the cards in the use of the system comes almost card the plate is formed, as indicated in entirely on the tab, so that, even when not Fig. 4, is applied to the rear face of the roken, the upper margins of the tabs are card and the rivet holes punched through cut or curled over from frequent handling. the plate and the card at the same time. This curling or bending of the tabs causes his insures the proper register of the rivet them to pioject out of their own proper holes in the card and plate, and also causes plane, prevents the tabs of ad acent cards the bur 0 formed in the metal by punchrom being readily grasped and covers or ing the rivet hole, to engage the marginal obscures the labels on the tabs, so that they edges of the hole in the card, which adds to can not be read without straightening out the rigid attachment of the plate. Rivets the tabs; This greatly interferes with the are then applied in the ordinary way and ready use of the system. The present iuthe flange a compressed against the front vent-ion is designed to overcome these disadface of the tab along its upper margin. vantages. I claim as my invention In the drawings Figure l is a front A guide card for vertical filing systems view in elevation of a guide card provided embracing a card of fibrous material prowith my improvement. Fig. 2 is a rear vided with a tab projecting above its upper view. Fig. 3 is a partial vertical section margin, a reinforcing plate secured to the through Fig. 2 on the line 3-3 thereof. rear face of said card, said reinforcing plate Fig. 4 is a perspective View of the reinforci being of substantially the width of said tab ing plate before it is applied to the card. and extending from the upper margin of is a guide card, made of fibrous masaid tab to a line remote from the upper terial such as cardboard, heavy paper and margin of said card, the l1ke, and B, an index tab formed ina depending formed at the upper flange edge of said plate adapted to engagethe front face of said tab presence of two witnesses, this 19th day of along its upper margin, and means for seeur- April A. D. 1910.

ing said plate to said card at a point or points remote from the upper margin of THEODORE AMBERG' 5 said tab. VVit-nesses:

In testimony, that I claim the foregoing CLARENCE E. MEHLHOPE,

as my invention I afiix my signature 1n the GEORGE R. WVILKINS. 

